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So I have had the car 2 years and recently it's been giving some codes for the 02 sensors. It's 98 trans am with 152k miles on it. I can clear them and after a bit of driving they come on. I took it the dealership and they just cleared them also and said they looked fine. The car has lsp headers with the exhuast. And also the other day when it poured rain I went through a couple big puddles and it started to miss bad and threw a mis fire code for cylinder 6. I took it back home and when it started to dry up outside it started and ran fine
Sensor 2 is after cat. If you run long tube headers and delete the cats you need to program them out. Sensor 1 is the thing that you need to focus on. Bank 1 is driver and bank 2 is passenger. When the code for sensor 1 shows up it's time for new sensors. Don't bother with the bosch, just get a set that's already wired up for your car.
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02 sensor help 
